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A 70 kg man in sea is being lifted by a ...

A 70 kg man in sea is being lifted by a helicopter with the help of a rope , which can bear a maximum tension of 100 kg wt . With what maximum acceleration the helicopter should rise so that the rope does not break ? Take `g = 9.8 m//s^(2)` .

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The correct Answer is:
`4.2ms^(-2)`
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